| 摘要 |
The device controls the elevation of a pulsator(4) automatically or manually. A rotatable pulsator is installed on the bottom of the wash tub(1) and the laundry is lifted by the pulsator. The device comprises an actuating means(300) which supplies power to rotate or lift the pulsator by the commands from an operational panel(100) and a control means(110) which controls the elevation and the motion of the pulsator.
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